AcceleratorThe world's first and most active pre-seed program for hard tech and deep tech startups.
HAX
HAX is a venture capital accelerator based in Newark, New Jersey, focused on supporting pre-seed startups in hard tech. They provide funding and…
Online destinations
Find HAX online
Where to find this organization online, grouped by who runs each page. A link here does not mean the organization controls it.
Official links
Pages the organization runs itself.
Third-party rankings
Where HAX ranks
| Ranking | Edition | Position | Since last edition | Trust | What it measures |
|---|---|---|---|---|---|
 Seed Accelerator Rankings Project | 2018 | Listed | No prior edition | C | Performance, Prestige |
Overview
HAX is a venture capital organization that operates as part of SOSV, dedicated to supporting pre-seed startups tackling complex challenges in science and engineering. Based in Newark, New Jersey, HAX is recognized as one of the most active programs for hard tech startups globally, with a mission to foster innovation in various sectors.
Focus
HAX invests in early-stage startups developing solutions in sectors such as plasma technology, critical minerals, climate infrastructure, chemistry, robotics, and advanced manufacturing. The program offers up to $550,000 in pre-seed funding and a six-month residency at its Newark facility, providing access to essential tools and technical expertise for prototyping and product development.
Support
HAX offers mentorship, access to a fabrication facility, and guidance from staff engineers who act as an extended team. The program also provides access to a supply chain in Shenzhen and support for transitioning from prototype to production.
Questions
What is the duration of the program?
The program lasts approximately 6-9 months.
How much funding does HAX provide?
HAX offers between $250,000 and $550,000 in funding.
What is the equity stake taken by HAX?
HAX typically takes 10-20% equity, commonly around 15%.
Check your startup’s fit
Check your startup’s fit with HAXHosted by this organization
Programs at HAX
AcceleratorFellowshipEmpowering the next generation of hard tech founders and investors.
From public sources
What the sources say about HAX
HAX's SOSV application form asks applicants to choose Newark or Princeton Plasma Forge and provide company details and a pitch deck.
Source: Apply to HAXHAX describes hands-on founder assistance through embedded engineering, scientific validation and manufacturing support.
Source: HAX - Hands-on Venture Capital for Hard TechPitchBook's public HAX preview lists Blaze Energy Technologies with deal date 2026-05-20.
Source: HAX investment portfolio | PitchBookPitchBook's public HAX preview lists Tensorfield Agriculture with deal date 2026-06-05.
Source: HAX investment portfolio | PitchBookPitchBook's public HAX preview lists Nabu Optical Systems with deal date 2026-06-24.
Source: HAX investment portfolio | PitchBookPitchBook's public HAX preview lists Juno Propulsion with deal date 2026-07-08.
Source: HAX investment portfolio | PitchBook
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